ci build failed. sass-loader missing

package.json

@@ -25,7 +25,8 @@
     "eslint-config-airbnb-base": "^14.0.0",
     "eslint-loader": "^3.0.3",
     "eslint-plugin-import": "^2.20.1",
-    "eslint-plugin-vue": "^6.1.2"
+    "eslint-plugin-vue": "^6.1.2",
+    "sass-loader": "^8.0.2"
   },
   "engines": {
     "node": ">= 10.18.1",

src/router/routes.js

 const routes = [
   {
     path: '/',
-    name: 'Viewer',
+    name: 'MainView',
     component: () => import('src/views/quasar-mainview.vue'),
   },
 ];